28856989 is an odd 8-digits composite number following 28856988
and preceding 28856990 . In scientific notation, it is written as 2.8856989 × 10^7.
The sum of its digits is 55. It has a total of 3 prime factors and 8 positive divisors.
There are 24131040 positive integers (up to 28856989) that are relatively prime to 28856989.
28856989 has 8 divisors, whose sum is 33784128
The reverse of 28856989 is 98965882
Previous prime number is 41
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 55
Digital Root 1
Name
twenty-eight million eight hundred fifty-six thousand nine hundred eighty-nine
Scientific notation
2.8856989 × 10^7
Engineering notation
2.8856989 × 10^6
Prime Factorization
7 × 41 × 100547
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28856989
Product of the distinct prime numbers
The prime factorization of 28856989 is 7 × 41 × 100547.
Since it has a total of 3 prime factors.
9 , 6 , 51 , 89 , 413 , 858 , 3910 , 4321 , 50796 , 90535 , 424194 , 639499 , 2595118 , 6809720 , 18118042 , 19711107 , 354749080 , 426070751 , 2433235174 , 7153501103
n×2
57713978
n×3
86570967
n×4
115427956
n×5
144284945
n÷2
14428494.5
n÷3
9618996.3333333
n÷3
7214247.25
n÷5
5771397.8
n2
832725814146121
n3
2.4029959658831E+22
n4
6.9343228154532E+29
n5
2.0010367720798E+37
2 √n
5371.8701585202
3 √n
306.72582126557
4 √n
73.293043043117
5 √n
31.049184840863
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28856988
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28856989 can be divided by 8 positive divisors.
The sum of these divisors (counting 28856989) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101110000101001010011101
3
Ternary
2000022002100101
4
Quaternary
1232011022131
5
Quinary
24341410424
6
Senary
2510301101
8
Octal
156051235
10
Decimal
28856989
12
Duodecimal
97b7791
16
Hexadecimal
1b8529d
20
Vigesimal
907299
36
Base36
h6i71
md5
869ab3dca16908bc7f26666d3b6643a2
sha1
5b7406dc3010eec3f210a3972a79dffa4b9c1b5f
sha256
3e6d51268da4bfb248a79621f40bb094f8a23238e120f597c476e536e2c5a6a7
sha512
f277718db45e4ebd112a0d5cfc39921223e443e42b70a6ad7f99bfef7c5cb4cb0de6b503eff7398983e60436799a816633b3802c67fca069dcb207515a3e8c04
ripemd-160
d81d5632576f3c0cc1b0d410dd69e6d26a166c8e
Diameter
57713978
Circumference
181313809.29424
Area
2.616085300176E+15
Volume
1.0065645964032E+23
Surface area
1.0464341200704E+16
Circumference
181313809.29424
Perimeter
115427956
Area
832725814146121
Diagonal
40809945.213051
Surface area
4996354884876726
Volume
2.4029959658831E+22
Space diagonal
49981771.101456
Perimeter
86570967
Area
3.6058085471881E+14
Altitude
24990885.550728
Surface area
3.6058085471881E+14
Volume
2.8319579043997E+21
Height
13603315.071017